Light Stax is a new award winning toy startup that launched in 2014 in Europe and the USA. Light Stax are beautifully illuminated construction blocks that use LED technology, but are still 100% compatible with existing traditional building blocks. Using our patented system, each Stax will magically light up as it is connected to a power base or any lit Stax. No special connectors or wires are needed. Just stack them and they light up!— David Stelzer, owner of Shananigans in Baltimore, Md., told TDmonthly in a May 2015 survey that this was a best-selling construction toy at their store.